425555956 has 24 divisors (see below), whose sum is σ = 852566400. Its totient is φ = 182069472.

The previous prime is 425555899. The next prime is 425555957. The reversal of 425555956 is 659555524.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425555957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4086 + ... + 29458.

It is an arithmetic number, because the mean of its divisors is an integer number (35523600).

Almost surely, 2^425555956 is an apocalyptic number.

It is an amenable number.

425555956 is an abundant number, since it is smaller than the sum of its proper divisors (427010444).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

425555956 is a wasteful number, since it uses less digits than its factorization.

425555956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25983 (or 25981 counting only the distinct ones).

The product of its digits is 1350000, while the sum is 46.

The square root of 425555956 is about 20629.0076348815. The cubic root of 425555956 is about 752.1749936986.

The spelling of 425555956 in words is "four hundred twenty-five million, five hundred fifty-five thousand, nine hundred fifty-six".